Voice isn't the clearest or the fastest way to communicate. I'd suggest the opposite - that's it's slow, unclear and probably the worst form of digital communication. There's no good log, it's not silent, you can't link to other information (or copy it) and it requires one person to stop talking before another can start. This all aside, iOS 8 now let's you send voice messages in the default messages app - seems like…
Converting voice to text solves a lot of these problems, but this app doesn't do that.